body{
    font-family: "微软雅黑";
    font-size: 14px;
}
a{
    font-size: 16px;
    color: #fff;
    /*去超链接下划线*/
    text-decoration: none;
    padding: 20px 20px;
    float: none;
}
nav{
    margin: 0;
    padding: 0;
    background-color: hotpink;
    text-align: center;
    height: 40px;
    width: 980px;
}
/*banner背景图放置*/
div #banner{
    margin: 0;
    background-image: url("../images/banner.jpg");
    /*背景平铺，显示一次*/
    background-repeat: no-repeat;
    /*长宽*/
    width: 980px;
    height: 429px;
}

/*内容模块背景图放置*/
section{
    margin: 0 auto;
    background-image: url("../images/content_bg.jpg");
    background-repeat: no-repeat;
    width: 980px;
    height: 934px;

}
.step{
    width:454px;
    height:80px;
    font-size:20px;
    font-weight:100;
    color:#dd8787;
    background:url(../images/step.jpg) center right no-repeat;
    line-height:80px;
}
table{
    /*居中*/
    margin: 0 auto;
    /*文本颜色*/
    color: hotpink;

    padding: 20px 20px;
}
.num{
    /*文本居中*/
    text-align: center;
    /*文字大小*/
    font-size: 30px;

}
/*表格内图片垂直居中*/
table img {
    vertical-align: middle;
}
/*页面宽度960px,居中*/
.container {
    width: 960px;
    margin: 0 auto;
}
/*页脚高度，宽度，背景色*/
footer{
    background-color: hotpink;
    height: 80px;
    width: 980px;
}
h3{
    width:444px;
    height:45px;
    font-size:20px;
    font-weight:100;
    color:#dd8787;
    line-height:45px;
    border-bottom:1px solid #dd8787;
}